Every day, the oil and gas industry’s best minds put more than 150 years of experience to work to help our customers achieve lasting success. We have the people, capabilities, and vision to serve the needs of a challenging and evolving industry. One the world can’t live without.

Throughout every region in the world and every area of drilling and production, our family of companies provides the expertise, equipment, and operational support necessary for success—now and in the future.

Every day, the oil and gas industry’s best minds put more than 150 years of experience to work to help our customers achieve lasting success. We have the people, capabilities, and vision to serve the needs of a challenging and evolving industry. One the world can’t live without.

Thanks to the financial capital provided by our investors, we're able to continue developing innovative products and solutions to the oil and gas industry that lead a safer, more environmentally friendly future.

Viper Connectors

As the most extensively tested large-diameter connectors on the market, Viper™ weld-on connectors are ideally suited for extreme-service conductor and casing applications. Available in 16- to 38-in. diameters, Viper connectors are rated at or greater than 100% of pipe body for internal and external pressure, tension, compression, and bending capacity in most sizes. The patented ViperLock™ anti-rotation device is easy to install and is reversible.

A true multipurpose connector suitable for most applications

Deepwater subsea well conductors or jet strings

Platform conductors or drive pipe

Jackup exploratory well conductors

Tieback conductors

Intermediate and surface casing strings, including deviated wells

Deepwater casing strings run in open water

Viper features a weld-on pin and weld-on box design. Viper connectors in sizes up to 34-in. diameter feature a near-flush inside diameter (ID) profile and an upset outside diameter (OD) that serves as an integral lift shoulder.

Viper connectors have a dual-seal design: an elastomeric O-ring as the primary seal and a secondary metal-to-metal seawater exclusion seal. Extensive finite element analysis and physical testing have been used to verify performance capacities across the Viper product line.

Two thread configurations are available. The Viper-1ST connector makes up in approximately 1.75 turns, and the Viper-3ST connector makes up in just over half a turn. Makeup torques range from 50,000 to 70,000 ft-lb depending on size. Viper connectors are suitable for makeup with either power tongs or manual tongs.

The CAL I-E qualification requires the testing of two samples:

The first sample (ISO Specimen 1) is machined to an extreme tolerance, worst-case sealing configuration and make-and-break tested. Upon completion, seal performance of this sample is then verified through a series of tests that include two-quadrant combined load with bending (ISO Series B), four-quadrant combined load (ISO Series A), and limit load to failure.

The second sample (ISO Specimen 5) is machined to an extreme tolerance, worst-case galling configuration. This sample then undergoes make-and-break testing.

Features/Benefits

Connector ratings meet or exceed full pipe body strength in most sizes

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